Реши примеры: 72 : 9; 10 · 2; 27 : 3; 6 · 6; 8 · 6; 9 · 9; 5 · 2; 5 · 3; 63 : 9; 54 : 9.

\(72:9=8\); \(10\cdot2=20\); \(27:3=9\); \(6\cdot6=36\); \(8\cdot6=48\); \(9\cdot9=81\); \(5\cdot2=10\); \(5\cdot3=15\); \(63:9=7\); \(54:9=6\).